US4551598A - Illuminated membrane switch - Google Patents
Illuminated membrane switch Download PDFInfo
- Publication number
- US4551598A US4551598A US06/610,652 US61065284A US4551598A US 4551598 A US4551598 A US 4551598A US 61065284 A US61065284 A US 61065284A US 4551598 A US4551598 A US 4551598A
- Authority
- US
- United States
- Prior art keywords
- film
- light
- film members
- backplate
- conductive
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
- H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
- H01H13/702—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard with contacts carried by or formed from layers in a multilayer structure, e.g. membrane switches
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/04—Attachments; Connections
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/036—Light emitting elements
- H01H2219/042—Light emitting elements replaceable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2219/00—Legends
- H01H2219/054—Optical elements
- H01H2219/056—Diffuser; Uneven surface
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2221/00—Actuators
- H01H2221/002—Actuators integral with membrane
- H01H2221/006—Adhesive
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2223/00—Casings
- H01H2223/038—Casings transparent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H2231/00—Applications
- H01H2231/026—Car
Abstract
Description
Claims (11)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/610,652 US4551598A (en) | 1983-09-28 | 1984-05-16 | Illuminated membrane switch |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US53663783A | 1983-09-28 | 1983-09-28 | |
US06/610,652 US4551598A (en) | 1983-09-28 | 1984-05-16 | Illuminated membrane switch |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US53663783A Continuation-In-Part | 1983-09-28 | 1983-09-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
US4551598A true US4551598A (en) | 1985-11-05 |
Family
ID=27065207
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/610,652 Expired - Fee Related US4551598A (en) | 1983-09-28 | 1984-05-16 | Illuminated membrane switch |
Country Status (1)
Country | Link |
---|---|
US (1) | US4551598A (en) |
Cited By (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3717325A1 (en) * | 1986-05-23 | 1987-11-26 | Alps Electric Co Ltd | TRANSPARENT TOUCH-SENSITIVE CONTROL PANEL |
US4772769A (en) * | 1987-02-06 | 1988-09-20 | Burr-Brown Corporation | Apparatus for selective backlighting of keys of a keyboard |
US4812831A (en) * | 1987-02-10 | 1989-03-14 | Amp Incorporated | Key switch with controllable illumination |
DE8903508U1 (en) * | 1989-03-21 | 1989-07-20 | Fritz Hartmann Geraetebau Gmbh & Co Kg, 8523 Baiersdorf, De | |
US5010461A (en) * | 1989-12-11 | 1991-04-23 | Kunio Saotome | Multicolor pressure-sensitive illuminating display platform |
US5040479A (en) * | 1990-07-24 | 1991-08-20 | Apollo Plastics Corporation | Illuminated multiple color button and method of manufacturing the same |
US5397867A (en) * | 1992-09-04 | 1995-03-14 | Lucas Industries, Inc. | Light distribution for illuminated keyboard switches and displays |
GB2304233A (en) * | 1994-08-03 | 1997-03-12 | Sagem | Flat data entry keyboard |
US5698826A (en) * | 1995-02-01 | 1997-12-16 | Maytag Corporation | Selective back lighting of appliance control panel |
US5747756A (en) * | 1996-09-10 | 1998-05-05 | Gm Nameplate, Inc. | Electroluminescent backlit keypad |
US5826708A (en) * | 1997-01-29 | 1998-10-27 | Invotronics Manufacturing | Backlighted dome switch assembly |
US5844362A (en) * | 1995-07-14 | 1998-12-01 | Matsushita Electric Industrial Co., Ltd. | Electroluminescent light element having a transparent electrode formed by a paste material which provides uniform illumination |
US5871088A (en) * | 1995-03-30 | 1999-02-16 | Matsushita Electric Industrial Co.,Ltd. | EL sheet diaphragm and a switch using the same |
US5950808A (en) * | 1995-07-14 | 1999-09-14 | Matsushita Electric Industrial Co., Ltd. | Electroluminescent light element, manufacturing method of the same, and an illuminated switch unit using the same |
FR2787236A1 (en) * | 1998-12-14 | 2000-06-16 | Cit Alcatel | KEY LIGHTING SYSTEM AND APPLICATION TO PORTABLE TELEPHONES |
EP1037227A2 (en) * | 1999-03-09 | 2000-09-20 | Merten GmbH & Co. KG | Installation switch for building installations |
WO2003073453A2 (en) * | 2002-02-21 | 2003-09-04 | Advanced Input Devices, Inc. | Backlit full travel key assembly |
US20030227766A1 (en) * | 2002-06-11 | 2003-12-11 | Hom Wayne C. | Keypad lighting system for a security system communication unit |
US20050103611A1 (en) * | 2003-11-14 | 2005-05-19 | Holscher David M. | Illuminated membrane switch |
US20100181176A1 (en) * | 2007-08-30 | 2010-07-22 | Fijitsu Limited | Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2311396A1 (en) * | 1975-05-16 | 1976-12-10 | Jung Albrecht | Illuminated electrical appliance e.g. switch, press button - has large site operating component, a light source, inside a socket or housing with controlled beam of light (NL181176) |
US4163883A (en) * | 1977-12-30 | 1979-08-07 | Texas Instruments Incorporated | Keyboard with illuminated keys |
US4177501A (en) * | 1977-11-15 | 1979-12-04 | Harris Corporation | Illuminated keyboard |
DE2837209A1 (en) * | 1978-08-25 | 1980-03-06 | Daimler Benz Ag | Switch actuator with pushbutton head in illuminated plate - has oblique, transparent layers, at least on receiving light from plate in ON state |
US4197439A (en) * | 1979-02-12 | 1980-04-08 | Parker Brothers | Touch-responsive indicator switch |
DE2928146A1 (en) * | 1979-07-12 | 1981-01-15 | Hein Gmbh & Co Kg Geb | Touch foil keyboard front plate - has transparent layers with diaphragms carrying contacts closing through opening of foil |
US4247797A (en) * | 1978-05-19 | 1981-01-27 | Kabushiki Kaisha Daini Seikosha | Rectangular AT-cut quartz resonator |
US4288672A (en) * | 1979-12-26 | 1981-09-08 | Texas Instruments Incorporated | Illuminated keyboard apparatus |
US4343975A (en) * | 1979-12-07 | 1982-08-10 | Shin-Etsu Polymer Co., Ltd. | Key board switch unit with illumination |
US4349705A (en) * | 1981-05-06 | 1982-09-14 | Northern Telecom Limited | Lighted telephone dial |
US4493958A (en) * | 1983-09-28 | 1985-01-15 | Stewart-Warner Corporation | Illuminated membrane switch |
-
1984
- 1984-05-16 US US06/610,652 patent/US4551598A/en not_active Expired - Fee Related
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2311396A1 (en) * | 1975-05-16 | 1976-12-10 | Jung Albrecht | Illuminated electrical appliance e.g. switch, press button - has large site operating component, a light source, inside a socket or housing with controlled beam of light (NL181176) |
US4177501A (en) * | 1977-11-15 | 1979-12-04 | Harris Corporation | Illuminated keyboard |
US4163883A (en) * | 1977-12-30 | 1979-08-07 | Texas Instruments Incorporated | Keyboard with illuminated keys |
US4247797A (en) * | 1978-05-19 | 1981-01-27 | Kabushiki Kaisha Daini Seikosha | Rectangular AT-cut quartz resonator |
DE2837209A1 (en) * | 1978-08-25 | 1980-03-06 | Daimler Benz Ag | Switch actuator with pushbutton head in illuminated plate - has oblique, transparent layers, at least on receiving light from plate in ON state |
US4197439A (en) * | 1979-02-12 | 1980-04-08 | Parker Brothers | Touch-responsive indicator switch |
DE2928146A1 (en) * | 1979-07-12 | 1981-01-15 | Hein Gmbh & Co Kg Geb | Touch foil keyboard front plate - has transparent layers with diaphragms carrying contacts closing through opening of foil |
US4343975A (en) * | 1979-12-07 | 1982-08-10 | Shin-Etsu Polymer Co., Ltd. | Key board switch unit with illumination |
US4288672A (en) * | 1979-12-26 | 1981-09-08 | Texas Instruments Incorporated | Illuminated keyboard apparatus |
US4349705A (en) * | 1981-05-06 | 1982-09-14 | Northern Telecom Limited | Lighted telephone dial |
US4493958A (en) * | 1983-09-28 | 1985-01-15 | Stewart-Warner Corporation | Illuminated membrane switch |
Cited By (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3717325A1 (en) * | 1986-05-23 | 1987-11-26 | Alps Electric Co Ltd | TRANSPARENT TOUCH-SENSITIVE CONTROL PANEL |
US4772769A (en) * | 1987-02-06 | 1988-09-20 | Burr-Brown Corporation | Apparatus for selective backlighting of keys of a keyboard |
US4812831A (en) * | 1987-02-10 | 1989-03-14 | Amp Incorporated | Key switch with controllable illumination |
DE8903508U1 (en) * | 1989-03-21 | 1989-07-20 | Fritz Hartmann Geraetebau Gmbh & Co Kg, 8523 Baiersdorf, De | |
US5010461A (en) * | 1989-12-11 | 1991-04-23 | Kunio Saotome | Multicolor pressure-sensitive illuminating display platform |
US5040479A (en) * | 1990-07-24 | 1991-08-20 | Apollo Plastics Corporation | Illuminated multiple color button and method of manufacturing the same |
US5397867A (en) * | 1992-09-04 | 1995-03-14 | Lucas Industries, Inc. | Light distribution for illuminated keyboard switches and displays |
GB2304233A (en) * | 1994-08-03 | 1997-03-12 | Sagem | Flat data entry keyboard |
GB2304233B (en) * | 1994-08-03 | 1999-05-26 | Sagem | Flat data entry keyboard |
US5698826A (en) * | 1995-02-01 | 1997-12-16 | Maytag Corporation | Selective back lighting of appliance control panel |
US5871088A (en) * | 1995-03-30 | 1999-02-16 | Matsushita Electric Industrial Co.,Ltd. | EL sheet diaphragm and a switch using the same |
US5950808A (en) * | 1995-07-14 | 1999-09-14 | Matsushita Electric Industrial Co., Ltd. | Electroluminescent light element, manufacturing method of the same, and an illuminated switch unit using the same |
US5844362A (en) * | 1995-07-14 | 1998-12-01 | Matsushita Electric Industrial Co., Ltd. | Electroluminescent light element having a transparent electrode formed by a paste material which provides uniform illumination |
US6010742A (en) * | 1995-07-14 | 2000-01-04 | Matsushita Electric Industrial Co., Ltd. | Electroluminescent lighting element, manufacturing method of the same, and an illuminated switch unit using the same |
US5747756A (en) * | 1996-09-10 | 1998-05-05 | Gm Nameplate, Inc. | Electroluminescent backlit keypad |
US5826708A (en) * | 1997-01-29 | 1998-10-27 | Invotronics Manufacturing | Backlighted dome switch assembly |
FR2787236A1 (en) * | 1998-12-14 | 2000-06-16 | Cit Alcatel | KEY LIGHTING SYSTEM AND APPLICATION TO PORTABLE TELEPHONES |
EP1014402A1 (en) * | 1998-12-14 | 2000-06-28 | Alcatel | Illumination system for keys and its application in portable telephones |
EP1037227A2 (en) * | 1999-03-09 | 2000-09-20 | Merten GmbH & Co. KG | Installation switch for building installations |
EP1037227A3 (en) * | 1999-03-09 | 2002-07-10 | Merten GmbH & Co. KG | Installation switch for building installations |
WO2003073453A2 (en) * | 2002-02-21 | 2003-09-04 | Advanced Input Devices, Inc. | Backlit full travel key assembly |
US6743993B1 (en) * | 2002-02-21 | 2004-06-01 | Advanced Input Devices, Inc. | Backlit full travel key assembly |
WO2003073453A3 (en) * | 2002-02-21 | 2005-03-17 | Advanced Input Devices Inc | Backlit full travel key assembly |
US20030227766A1 (en) * | 2002-06-11 | 2003-12-11 | Hom Wayne C. | Keypad lighting system for a security system communication unit |
US20050103611A1 (en) * | 2003-11-14 | 2005-05-19 | Holscher David M. | Illuminated membrane switch |
US7071433B2 (en) * | 2003-11-14 | 2006-07-04 | Ark-Les Corporation | Illuminated membrane switch |
US20100181176A1 (en) * | 2007-08-30 | 2010-07-22 | Fijitsu Limited | Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
US8063326B2 (en) * | 2007-08-30 | 2011-11-22 | Fujitsu Limited | Illuminating structure of key operating unit, electronic apparatus, portable apparatus, and illuminating method of key operating unit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: STEWART-WARNER CORPORATION CHICAGO ILLINOIS A CORP Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNORS:HAMILTON, LAWRENCE E.;RUTILI, RENZO N.;REEL/FRAME:004265/0197 Effective date: 19840404 Owner name: STEWART-WARNER CORPORATION,ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HAMILTON, LAWRENCE E.;RUTILI, RENZO N.;REEL/FRAME:004265/0197 Effective date: 19840404 |
|
FEPP | Fee payment procedure |
Free format text: PAYER NUMBER DE-ASSIGNED (ORIGINAL EVENT CODE: RMPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Free format text: PAYOR NUMBER ASSIGNED (ORIGINAL EVENT CODE: ASPN); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
FPAY | Fee payment |
Year of fee payment: 4 |
|
AS | Assignment |
Owner name: STEWART-WARNER ALEMITE AND INSTRUMENT CORPORATION Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:STEWART-WARNER CORPORATION, A VA. CORP.;REEL/FRAME:005550/0064 Effective date: 19881224 |
|
FPAY | Fee payment |
Year of fee payment: 8 |
|
REMI | Maintenance fee reminder mailed | ||
LAPS | Lapse for failure to pay maintenance fees | ||
FP | Lapsed due to failure to pay maintenance fee |
Effective date: 19971105 |
|
STCH | Information on status: patent discontinuation |
Free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |